Optimizing Minecraft performance to eliminate lag and stutter involves lowering render distance to 8–12 chunks, setting FPS to unlimited, and adjusting the chunk builder to "Threaded". Further improvements include allocating at least 4-6 GB of RAM, installing performance mods like Sodium, and reducing mouse polling rates to 1000Hz or lower. For a detailed walkthrough of these fixes, watch this YouTube tutorial . How To Fix Minecraft Stuttering 2025! - Tutorial